Guide to Commissioning for Existing Buildings | U.S. Green Building Council
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Guide to Commissioning for Existing Buildings

GBCI: 0920000642

Learn how to apply the principles of the commissioning process to existing buildings for bottom-line improvements in productivity, indoor air quality, maintainability, operability, and energy efficiency.
Eligible for 2.5 CE HOURS.
  • 2.5 CE

  • LU/HSW

LEED version: v4, v2009



This course provides an overview of the retro-commissioning process and discusses the benefits and costs of providing retro-commissioning services within commercial buildings. This course will provide valuable assistance to building owners and operators in understanding the retro-commissioning process and identifying the best applications in their buildings.


  1. Define the term retrocommissioning.
  2. Explain the commissioning process.
  3. Describe several examples of how retrocommissioning has improved building performance and saved building owners money.
  4. Cover typical processes and forms that a commissioning authority might use.
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Created by

GBES (Green Building Education Services)
Atlanta, GA
United States

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